Merge pull request #918 from erikd/topic/drop-old-ghc

Drop support for GHC < 8.0

ghc-parser/ghc-parser.cabal

@@ -16,41 +16,19 @@ build-type:          Simple
 -- extra-source-files:
 cabal-version:       >=1.16
 
--- hs-source-dirs doesn't work well, doesn't take union, so include all src dirs specifically
-extra-source-files:
-  HaskellParser76.y.pp
-  HaskellParser782.y.pp
-  HaskellParser783.y.pp
-  src-7.10/Language/Haskell/GHC/HappyParser.hs
-  src-7.8.2/Language/Haskell/GHC/HappyParser.hs
-  src-7.8.3/Language/Haskell/GHC/HappyParser.hs
-  src-7.6/Language/Haskell/GHC/HappyParser.hs
-
 library
   build-tools:         happy, cpphs
   exposed-modules:     Language.Haskell.GHC.Parser,
                        Language.Haskell.GHC.HappyParser
   -- other-modules:
   -- other-extensions:
-  build-depends:       base                 >=4.6 && < 5,
-                       ghc                  >=7.6 && <8.7
+  build-depends:       base                 >=4.9 && < 5,
+                       ghc                  >=8.0 && <8.7
 
-  if   impl(ghc >= 7.6) && impl(ghc < 7.8)
-    hs-source-dirs:      generic-src src-7.6
+  if impl(ghc >= 8.0) && impl(ghc < 8.4)
+    hs-source-dirs:    generic-src src-8.0
   else
-    if impl(ghc >= 7.8) && impl(ghc < 7.8.3)
-      hs-source-dirs:    generic-src src-7.8.2
-    else
-      if impl(ghc < 7.10)
-        hs-source-dirs:    generic-src src-7.8.3
-      else
-        if impl(ghc < 8.0)
-          hs-source-dirs:    generic-src src-7.10
-        else
-          if impl(ghc >= 8.0) && impl(ghc < 8.4)
-            hs-source-dirs:    generic-src src-8.0
-          else
-            hs-source-dirs:    generic-src src-8.4
+    hs-source-dirs:    generic-src src-8.4
 
 
   default-language:    Haskell2010

ghc-parser/src-7.10/Language/Haskell/GHC/HappyParser.hs

-module Language.Haskell.GHC.HappyParser
-    ( fullStatement
-    , fullImport
-    , fullDeclaration
-    , fullExpression
-    , fullTypeSignature
-    , fullModule
-    ) where
-
-import Parser
-import SrcLoc
-
--- compiler/hsSyn
-import HsSyn
-
--- compiler/utils
-import OrdList
-
--- compiler/parser
-import RdrHsSyn
-import Lexer
-
--- compiler/basicTypes
-import RdrName
-
-fullStatement :: P (Maybe (LStmt RdrName (LHsExpr RdrName)))
-fullStatement = parseStmt
-
-fullImport :: P (LImportDecl RdrName)
-fullImport = parseImport
-
-fullDeclaration :: P (OrdList (LHsDecl RdrName))
-fullDeclaration = parseDeclaration
-
-fullExpression :: P (LHsExpr RdrName)
-fullExpression = parseExpression
-
-fullTypeSignature :: P (Located (OrdList (LHsDecl RdrName)))
-fullTypeSignature = parseTypeSignature
-
-fullModule :: P (Located (HsModule RdrName))
-fullModule = parseModule

ihaskell-display/ihaskell-aeson/ihaskell-aeson.cabal

 -- The name of the package.
 name:                ihaskell-aeson
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -13,7 +13,7 @@ version:             0.3.0.1
 synopsis:            IHaskell display instances for Aeson
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/ihaskell
@@ -27,20 +27,20 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Andrew Gibiansky
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          andrew.gibiansky@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -48,21 +48,21 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Aeson
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-             
+  -- other-modules:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        here,
                        text,
                        bytestring,
                        aeson >= 0.7,
                        aeson-pretty >= 0.7,
                        ihaskell >= 0.5
-  
+
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010

ihaskell-display/ihaskell-blaze/ihaskell-blaze.cabal

--- Initial ihaskell-display.cabal generated by cabal init.  For further 
+-- Initial ihaskell-display.cabal generated by cabal init.  For further
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 -- The name of the package.
 name:                ihaskell-blaze
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -16,7 +16,7 @@ version:             0.3.0.1
 synopsis:            IHaskell display instances for blaze-html types
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/ihaskell
@@ -30,20 +30,20 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Andrew Gibiansky
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          andrew.gibiansky@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -52,18 +52,18 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Blaze
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-             
+  -- other-modules:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        blaze-html >= 0.6,
                        blaze-markup >= 0.5,
                        ihaskell >= 0.5
-  
+
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010

ihaskell-display/ihaskell-charts/ihaskell-charts.cabal

 -- The name of the package.
 name:                ihaskell-charts
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -13,7 +13,7 @@ version:             0.3.0.1
 synopsis:            IHaskell display instances for charts types
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/ihaskell
@@ -27,20 +27,20 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Andrew Gibiansky
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          andrew.gibiansky@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -49,21 +49,21 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Charts
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-             
+  -- other-modules:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        bytestring,
                        data-default-class,
                        directory,
                        Chart,
                        Chart-cairo >=1.2,
                        ihaskell >= 0.6.2
-  
+
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010

ihaskell-display/ihaskell-diagrams/ihaskell-diagrams.cabal

 -- The name of the package.
 name:                ihaskell-diagrams
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -13,7 +13,7 @@ version:             0.3.2.1
 synopsis:            IHaskell display instances for diagram types
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/ihaskell
@@ -27,20 +27,20 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Andrew Gibiansky
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          andrew.gibiansky@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -49,13 +49,13 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Diagrams
-  
+
   -- Modules included in this library but not exported.
   other-modules:       IHaskell.Display.Diagrams.Animation
                        IHaskell.Display.Diagrams.ImgSize
-  
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        text,
                        bytestring,
                        directory,
@@ -69,7 +69,7 @@ library
                        active >= 0.2
 
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010

ihaskell-display/ihaskell-gnuplot/ihaskell-gnuplot.cabal

 -- The name of the package.
 name:                ihaskell-gnuplot
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -13,7 +13,7 @@ version:             0.1.0.1
 synopsis:            IHaskell display instance for Gnuplot (from gnuplot package)
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/ihaskell
@@ -27,21 +27,21 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Doro Rose <dororose@hotmail.com>
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          Doro Rose <dororose@hotmail.com>,
                      Andrew Gibiansky <andrew.gibiansky@gmail.com>
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -49,18 +49,18 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Gnuplot
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-             
+  -- other-modules:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        bytestring,
                        gnuplot >= 0.5.4,
                        ihaskell >= 0.6.2
-  
+
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010

ihaskell-display/ihaskell-hatex/ihaskell-hatex.cabal

 name:                ihaskell-hatex
 version:             0.2.1.1
 synopsis:            IHaskell display instances for hatex
--- description:         
+-- description:
 homepage:            http://www.github.com/gibiansky/IHaskell
 license:             MIT
 license-file:        LICENSE
@@ -14,9 +14,9 @@ cabal-version:       >=1.16
 
 library
   exposed-modules:     IHaskell.Display.Hatex
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        text,
                        HaTeX >= 3.9,
                        ihaskell >= 0.5
   default-language:    Haskell2010
-  
+

ihaskell-display/ihaskell-juicypixels/ihaskell-juicypixels.cabal

 -- The name of the package.
 name:                ihaskell-juicypixels
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -14,10 +14,10 @@ synopsis:            IHaskell - IHaskellDisplay instances of the image types of
 
 -- A longer description of the package.
 description:        IHaskellDisplay instances of the image types of the JuicyPixels package. They are displayed as .JPG images.
-                    DynamicImages and Images of types PixelRGBA16, PixelRGBA8, PixelRGB16, PixelRGB8, 
+                    DynamicImages and Images of types PixelRGBA16, PixelRGBA8, PixelRGB16, PixelRGB8,
                     PixelYA16, PixelYA8, Pixel16, Pixel8, PixelCMYK16, PixelCMYK8, PixelF, Pixel32
-                    are supported. 
-                    The module IHaskell.Juicypixels re-exports the modules IHaskell.Display and Codec.Picture.    
+                    are supported.
+                    The module IHaskell.Juicypixels re-exports the modules IHaskell.Display and Codec.Picture.
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/ihaskell
@@ -32,21 +32,21 @@ license-file:        LICENSE
 author:              Roland Senn,
                      Will Yager
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          rsx@bluewin.ch,
                      will.yager@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -55,19 +55,19 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Juicypixels
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-             
+  -- other-modules:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        bytestring,
                        directory,
                        JuicyPixels >= 3.1.3,
                        ihaskell >= 0.6.2
-  
+
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010

ihaskell-display/ihaskell-magic/ihaskell-magic.cabal

--- Initial ihaskell-display.cabal generated by cabal init.  For further 
+-- Initial ihaskell-display.cabal generated by cabal init.  For further
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 -- The name of the package.
 name:                ihaskell-magic
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -16,7 +16,7 @@ version:             0.3.0.1
 synopsis:            IHaskell display instances for bytestrings
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/IHaskell
@@ -30,20 +30,20 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Adam Vogt
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          andrew.gibiansky@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -52,12 +52,12 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Magic
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-             
+  -- other-modules:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        magic >= 1.0.8,
                        text,
                        bytestring,
@@ -65,10 +65,10 @@ library
                        base64-bytestring,
                        ipython-kernel,
                        ihaskell >= 0.5
-  
+
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010
-  
+

ihaskell-display/ihaskell-plot/ihaskell-plot.cabal

 -- The name of the package.
 name:                ihaskell-plot
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -13,7 +13,7 @@ version:             0.3.0.1
 synopsis:            IHaskell display instance for Plot (from plot package)
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/ihaskell
@@ -27,21 +27,21 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Sumit Sahrawat <sumit.sahrawat.apm13@itbhu.ac.in>
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          Sumit Sahrawat <sumit.sahrawat.apm13@itbhu.ac.in>,
                      Andrew Gibiansky <andrew.gibiansky@gmail.com>
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
@@ -49,19 +49,19 @@ cabal-version:       >=1.16
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.Plot
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-             
+  -- other-modules:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.6 && <5,
+  build-depends:       base >=4.9 && <5,
                        plot,
                        bytestring,
                        hmatrix >= 0.10,
                        ihaskell >= 0.6.2
-  
+
   -- Directories containing source files.
-  -- hs-source-dirs:      
-  
+  -- hs-source-dirs:
+
   -- Base language which the package is written in.
   default-language:    Haskell2010

ihaskell-display/ihaskell-static-canvas/ihaskell-static-canvas.cabal

--- Initial ihaskell-static-canvas.cabal generated by cabal init.  For 
+-- Initial ihaskell-static-canvas.cabal generated by cabal init.  For
 -- further documentation, see http://haskell.org/cabal/users-guide/
 
 -- The name of the package.
 name:                ihaskell-static-canvas
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -16,7 +16,7 @@ version:             0.1.0.0
 synopsis:            IHaskell display for static-canvas
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/IHaskell
@@ -30,20 +30,20 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Andrew Gibiansky
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          andrew.gibiansky@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
--- category:            
+-- category:
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
--- extra-source-files:  
+-- extra-source-files:
 
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.10
@@ -52,22 +52,22 @@ cabal-version:       >=1.10
 library
   -- Modules exported by the library.
   exposed-modules:     IHaskell.Display.StaticCanvas
-  
+
   -- Modules included in this library but not exported.
-  -- other-modules:       
-  
+  -- other-modules:
+
   -- LANGUAGE extensions used by modules in this package.
-  -- other-extensions:    
-  
+  -- other-extensions:
+
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.7,
+  build-depends:       base >=4.9,
                        ihaskell,
                        static-canvas,
                        text
-  
+
   -- Directories containing source files.
   hs-source-dirs:      src
-  
+
   -- Base language which the package is written in.
   default-language:    Haskell2010
-  
+

ihaskell-display/ihaskell-widgets/ihaskell-widgets.cabal

--- Initial ihaskell-widgets.cabal generated by cabal init.  For 
+-- Initial ihaskell-widgets.cabal generated by cabal init.  For
 -- further documentation, see http://haskell.org/cabal/users-guide/
 
 -- The name of the package.
 name:                ihaskell-widgets
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -16,7 +16,7 @@ version:             0.2.3.2
 synopsis:            IPython standard widgets for IHaskell.
 
 -- A longer description of the package.
--- description:         
+-- description:
 
 -- URL for the project homepage or repository.
 homepage:            http://www.github.com/gibiansky/IHaskell
@@ -30,19 +30,19 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Sumit Sahrawat
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          Sumit Sahrawat <sumit.sahrawat.apm13@iitbhu.ac.in>,
                      Andrew Gibiansky <andrew.gibiansky@gmail.com>
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
--- category:            
+-- category:
 
 build-type:          Simple
 
--- Extra files to be distributed with the package, such as examples or a 
+-- Extra files to be distributed with the package, such as examples or a
 -- README.
 extra-source-files:  README.md, MsgSpec.md
 
@@ -89,12 +89,10 @@ library
                        IHaskell.Display.Widgets.Singletons
 
   -- LANGUAGE extensions used by modules in this package.
-  -- other-extensions:    
-  
-  -- Other library packages from which modules are imported.
-  -- singletons 2.* require ghc 7.10.2
+  -- other-extensions:
+
   build-depends:       aeson >=0.7
-                     , base >=4.7 && <5
+                     , base >=4.9 && <5
                      , containers >= 0.5
                      , ipython-kernel >= 0.6.1.2
                      , text >= 0.11
@@ -104,30 +102,13 @@ library
                      , scientific -any
                      , unix -any
                      , ihaskell >= 0.6.4.1
-  if impl(ghc >= 7.10.2)
-    build-depends:       singletons >= 0.9.0
-  if impl(ghc == 7.10.1)
-    build-depends:       singletons >= 0.9.0 && <2.0
-                       , nats -any
-  if impl(ghc < 7.10.1)
-    build-depends:       singletons >= 0.9.0 && <2.0
-                       , nats <1.1
-  
+
+					 -- The singletons package version is locked to the compiler
+					 -- so let cabal choose the right one.
+                     , singletons -any
+
   -- Directories containing source files.
   hs-source-dirs:      src
-  
+
   -- Base language which the package is written in.
   default-language:    Haskell2010
-  
-  -- Deal with small -fcontext-stack on ghc-7.8.
-  -- Default values:
-  --   ghc-7.6.*  = 200
-  --   ghc-7.8.*  = 20   -- Too small for vinyl & singletons
-  --   ghc-7.10.* = 100
-  if impl(ghc == 7.8.*)
-    ghc-options:       -fcontext-stack=100
-
-  -- compile without optimizations not to run out of memory on travis
-  if impl(ghc == 7.10.*)
-    ghc-options:       -O0
-

ihaskell.cabal

 -- The name of the package.
 name:                ihaskell
 
--- The package version.  See the Haskell package versioning policy (PVP) 
+-- The package version.  See the Haskell package versioning policy (PVP)
 -- for standards guiding when and how versions should be incremented.
 -- http://www.haskell.org/haskellwiki/Package_versioning_policy
 -- PVP summary:      +-+------- breaking API changes
@@ -13,8 +13,8 @@ version:             0.9.1.0
 synopsis:            A Haskell backend kernel for the IPython project.
 
 -- A longer description of the package.
-description:         IHaskell is a Haskell backend kernel for the IPython project. This allows using Haskell via 
-                     a console or notebook interface. Additional packages may be installed to provide richer data visualizations. 
+description:         IHaskell is a Haskell backend kernel for the IPython project. This allows using Haskell via
+                     a console or notebook interface. Additional packages may be installed to provide richer data visualizations.
 
 -- URL for the project homepage or repository.
 homepage:            http://github.com/gibiansky/IHaskell
@@ -28,12 +28,12 @@ license-file:        LICENSE
 -- The package author(s).
 author:              Andrew Gibiansky
 
--- An email address to which users can send suggestions, bug reports, and 
+-- An email address to which users can send suggestions, bug reports, and
 -- patches.
 maintainer:          andrew.gibiansky@gmail.com
 
 -- A copyright notice.
--- copyright:           
+-- copyright:
 
 category:            Development
 
@@ -42,7 +42,7 @@ build-type:          Simple
 -- Constraint on the version of Cabal needed to build this package.
 cabal-version:       >=1.16
 
-data-files: 
+data-files:
     html/kernel.js
     html/logo-64x64.svg
 
@@ -117,7 +117,7 @@ library
                    IHaskell.BrokenPackages
                    IHaskell.CSS
                    Paths_ihaskell
-  other-modules: 
+  other-modules:
                    IHaskellPrelude
                    StringUtils
 
@@ -125,19 +125,19 @@ executable ihaskell
   -- .hs or .lhs file containing the Main module.
   main-is:             Main.hs
   hs-source-dirs: main
-  other-modules: 
+  other-modules:
                    IHaskellPrelude
                    Paths_ihaskell
   ghc-options: -threaded -rtsopts
-  
+
   -- Other library packages from which modules are imported.
   default-language:    Haskell2010
-  build-depends:       
+  build-depends:
                        ihaskell -any,
-                       base                 >=4.6 && < 4.13,
+                       base                 >=4.9 && < 4.13,
                        text                 >=0.11,
                        transformers         -any,
-                       ghc                  >=7.6 || < 7.11,
+                       ghc                  >=8.0 && < 8.7,
                        process              >=1.1,
                        aeson                >=0.7,
                        bytestring           >=0.10,
@@ -147,9 +147,6 @@ executable ihaskell
                        directory            -any,
                        ipython-kernel       >=0.7
 
-  if flag(binPkgDb)
-    build-depends:       bin-package-db
-
 Test-Suite hspec
     Type: exitcode-stdio-1.0
     Ghc-Options: -threaded

ipython-kernel/ipython-kernel.cabal

@@ -34,7 +34,7 @@ library
   other-extensions:    OverloadedStrings
   hs-source-dirs:      src
   default-language:    Haskell2010
-  build-depends:       base                 >=4.6 && <5,
+  build-depends:       base                 >=4.9 && <5,
                        aeson           ,
                        bytestring      ,
                        cereal          ,

main/IHaskellPrelude.hs

@@ -7,12 +7,10 @@ module IHaskellPrelude (
   Data.Typeable.Typeable,
   Data.Typeable.cast,
 
-#if MIN_VERSION_ghc(7,8,0)
   Data.Typeable.Proxy,
 
   GHC.Exts.IsString,
   GHC.Exts.IsList,
-#endif
 
   System.IO.hPutStrLn,
   System.IO.hPutStr,
@@ -53,7 +51,7 @@ module IHaskellPrelude (
   Data.IORef.modifyIORef',
   Data.IORef.newIORef,
 
-  
+
 
   -- Miscellaneous names
   Data.Map.Map,
@@ -78,13 +76,7 @@ import           GHC.Enum               as X
 import           GHC.Num                as X
 import           GHC.Real               as X
 import           GHC.Err                as X hiding (absentErr)
-#if MIN_VERSION_ghc(8,0,0)
 import           GHC.Base               as X hiding (Any, mapM, foldr, sequence, many, (<|>), Module(..))
-#elif MIN_VERSION_ghc(7,10,0)
-import           GHC.Base               as X hiding (Any, mapM, foldr, sequence, many, (<|>))
-#else
-import           GHC.Base               as X hiding (Any)
-#endif
 import           Data.List              as X hiding (head, last, tail, init, transpose, subsequences, permutations,
                                         foldl, foldl1, maximum, minimum, scanl, scanl1, scanr, scanr1,
                                         span, break, mapAccumL, mapAccumR, dropWhileEnd, (!!),

main/Main.hs

@@ -22,9 +22,7 @@ import           System.Process (readProcess, readProcessWithExitCode)
 import           System.Exit (exitSuccess, ExitCode(ExitSuccess))
 import           Control.Exception (try, SomeException)
 import           System.Environment (getArgs)
-#if MIN_VERSION_ghc(7,8,0)
 import           System.Environment (setEnv)
-#endif
 import           System.Posix.Signals
 import qualified Data.Map as Map
 import qualified Data.Text.Encoding as E
@@ -142,12 +140,11 @@ runKernel kernelOpts profileSrc = do
   dir <- getIHaskellDir
   Stdin.recordKernelProfile dir profile
 
-#if MIN_VERSION_ghc(7,8,0)
   when useStack $ do
     -- Detect if we have stack
     runResult <- try $ readProcessWithExitCode "stack" [] ""
-    let stack = 
-          case runResult :: Either SomeException (ExitCode, String, String) of 
+    let stack =
+          case runResult :: Either SomeException (ExitCode, String, String) of
             Left _ -> False
             Right (exitCode, stackStdout, _) -> exitCode == ExitSuccess && "The Haskell Tool Stack" `isInfixOf` stackStdout
 
@@ -160,7 +157,6 @@ runKernel kernelOpts profileSrc = do
         in case tailMay val of
             Nothing -> return ()
             Just val' -> setEnv var val'
-#endif
 
   -- Serve on all sockets and ports defined in the profile.
   interface <- serveProfile profile debug
@@ -258,7 +254,7 @@ replyTo :: ZeroMQInterface -> Message -> MessageHeader -> KernelState -> Interpr
 replyTo interface KernelInfoRequest{} replyHeader state = do
   let send msg = liftIO $ writeChan (iopubChannel interface) msg
 
-  -- Notify the frontend that the Kernel is idle 
+  -- Notify the frontend that the Kernel is idle
   idleHeader <- liftIO $ dupHeader replyHeader StatusMessage
   send $ PublishStatus idleHeader Idle
 

src/IHaskell/Eval/Completion.hs

@@ -31,7 +31,7 @@ import           System.Environment (getEnv)
 import           GHC hiding (Qualified)
 #if MIN_VERSION_ghc(8,2,0)
 import           GHC.PackageDb
-#elif MIN_VERSION_ghc(7,10,0)
+#else
 import           GHC.PackageDb (ExposedModule(exposedName))
 #endif
 import           DynFlags
@@ -63,16 +63,14 @@ data CompletionType = Empty
                     | KernelOption String
                     | Extension String
   deriving (Show, Eq)
+
 #if MIN_VERSION_ghc(8,2,0)
+exposedName :: (a, b) -> a
 exposedName = fst
 #endif
-#if MIN_VERSION_ghc(7,10,0)
+
 extName (FlagSpec { flagSpecName = name }) = name
-#else
-extName (name, _, _) = name
 
-exposedName = id
-#endif
 complete :: String -> Int -> Interpreter (String, [String])
 complete code posOffset = do
   -- Get the line of code which is being completed and offset within that line
@@ -93,11 +91,7 @@ complete code posOffset = do
 
   let Just db = pkgDatabase flags
       getNames = map (moduleNameString . exposedName) . exposedModules
-#if MIN_VERSION_ghc(8,0,0)
       moduleNames = nub $ concatMap getNames $ concatMap snd db
-#else
-      moduleNames = nub $ concatMap getNames db
-#endif
 
   let target = completionTarget line pos
       completion = completionType line pos target
@@ -127,17 +121,12 @@ complete code posOffset = do
                  return $ filter (prefix `isPrefixOf`) moduleNames
 
                DynFlag ext -> do
-                 -- Possibly leave out the fLangFlags? The -XUndecidableInstances vs. obsolete
-                 -- -fallow-undecidable-instances.
+                 -- Possibly leave out the fLangFlags?
                  let kernelOptNames = concatMap getSetName kernelOpts
                      otherNames = ["-package", "-Wall", "-w"]
 
                      fNames = map extName fFlags ++
-#if MIN_VERSION_ghc(8,0,0)
                               map extName wWarningFlags ++
-#else
-                              map extName fWarningFlags ++
-#endif
                               map extName fLangFlags
                      fNoNames = map ("no" ++) fNames
                      fAllNames = map ("-f" ++) (fNames ++ fNoNames)
@@ -269,7 +258,7 @@ completionTarget code cursor = expandCompletionPiece pieceToComplete
     pieceToComplete = map fst <$> find (elem cursor . map snd) pieces
     pieces = splitAlongCursor $ Split.split splitter $ zip code [1 ..]
     splitter = Split.defaultSplitter
-      { 
+      {
       -- Split using only the characters, which are the first elements of the (char, index) tuple
       Split.delimiter = Split.Delimiter [uncurry isDelim]
       -- Condense multiple delimiters into one and then drop them.

src/IHaskell/Eval/Evaluate.hs

@@ -65,11 +65,7 @@ import qualified Linker
 import           TcType
 import           Unify
 import           InstEnv
-#if MIN_VERSION_ghc(7, 8, 0)
 import           GhcMonad (liftIO, withSession)
-#else
-import           GhcMonad (withSession)
-#endif
 import           GHC hiding (Stmt, TypeSig)
 import           Exception hiding (evaluate)
 import           Outputable hiding ((<>))
@@ -126,12 +122,7 @@ write :: (MonadIO m, GhcMonad m) => KernelState -> String -> m ()
 write state x = when (kernelDebug state) $ liftIO $ hPutStrLn stderr $ "DEBUG: " ++ x
 
 type Interpreter = Ghc
-#if MIN_VERSION_ghc(7, 8, 0)
-   -- GHC 7.8 exports a MonadIO instance for Ghc
-#else
-instance MonadIO.MonadIO Interpreter where
-  liftIO = MonadUtils.liftIO
-#endif
+
 requiredGlobalImports :: [String]
 requiredGlobalImports =
   [ "import qualified Prelude as IHaskellPrelude"
@@ -194,23 +185,13 @@ packageIdString' dflags pkg_cfg =
       Just cfg -> let
         PackageName name = packageName cfg
         in unpackFS name
-#elif MIN_VERSION_ghc(8,0,0)
-    fromMaybe "(unknown)" (unitIdPackageIdString dflags $ packageConfigId pkg_cfg)
-#elif MIN_VERSION_ghc(7,10,2)
-    fromMaybe "(unknown)" (packageKeyPackageIdString dflags $ packageConfigId pkg_cfg)
-#elif MIN_VERSION_ghc(7,10,0)
-    packageKeyPackageIdString dflags . packageConfigId
 #else
-    packageIdString . packageConfigId
+    fromMaybe "(unknown)" (unitIdPackageIdString dflags $ packageConfigId pkg_cfg)
 #endif
 
 getPackageConfigs :: DynFlags -> [PackageConfig]
 getPackageConfigs dflags =
-#if MIN_VERSION_ghc(8,0,0)
     foldMap snd pkgDb
-#else
-    pkgDb
-#endif
   where
     Just pkgDb = pkgDatabase dflags
 
@@ -236,10 +217,6 @@ initializeImports = do
       iHaskellPkgName = initStr ++ intercalate "." (map show (versionBranch version))
 #endif
 
-#if !MIN_VERSION_ghc(8,0,0)
-      unitId = packageId
-#endif
-
       dependsOnRight pkg = not $ null $ do
         pkg <- db
         depId <- depends pkg
@@ -449,11 +426,7 @@ flushWidgetMessages state evalMsgs widgetHandler = do
 
 
 getErrMsgDoc :: ErrUtils.ErrMsg -> SDoc
-#if MIN_VERSION_ghc(8,0,0)
 getErrMsgDoc = ErrUtils.pprLocErrMsg
-#else
-getErrMsgDoc msg = ErrUtils.errMsgShortString msg $$ ErrUtils.errMsgContext msg
-#endif
 
 safely :: KernelState -> Interpreter EvalOut -> Interpreter EvalOut
 safely state = ghandle handler . ghandle sourceErrorHandler
@@ -1083,11 +1056,7 @@ doLoadModule name modName = do
     setSessionDynFlags $ flip gopt_set Opt_BuildDynamicToo
       flags
         { hscTarget = objTarget flags
-#if MIN_VERSION_ghc(8,0,0)
         , log_action = \dflags sev srcspan ppr _style msg -> modifyIORef' errRef (showSDoc flags msg :)
-#else
-        , log_action = \dflags sev srcspan ppr msg -> modifyIORef' errRef (showSDoc flags msg :)
-#endif
         }
 
     -- Load the new target.
@@ -1138,11 +1107,9 @@ doLoadModule name modName = do
       initializeItVariable
 
       return $ displayError $ "Failed to load module " ++ modName ++ ": " ++ show exception
-#if MIN_VERSION_ghc(7,8,0)
+
 objTarget flags = defaultObjectTarget $ targetPlatform flags
-#else
-objTarget flags = defaultObjectTarget
-#endif
+
 keepingItVariable :: Interpreter a -> Interpreter a
 keepingItVariable act = do
   -- Generate the it variable temp name
@@ -1217,7 +1184,6 @@ capturedEval output stmt = do
   -- Initialize evaluation context.
   results <- forM initStmts goStmt
 
-#if __GLASGOW_HASKELL__ >= 800
   -- This works fine on GHC 8.0 and newer
   dyn <- dynCompileExpr readVariable
   pipe <- case fromDynamic dyn of
@@ -1226,26 +1192,7 @@ capturedEval output stmt = do
                 handle <- fdToHandle fd
                 hSetEncoding handle utf8
                 return handle
-#else
-  -- Get the pipe to read printed output from. This is effectively the source code of dynCompileExpr
-  -- from GHC API's InteractiveEval. However, instead of using a `Dynamic` as an intermediary, it just
-  -- directly reads the value. This is incredibly unsafe! However, for some reason the `getContext`
-  -- and `setContext` required by dynCompileExpr (to import and clear Data.Dynamic) cause issues with
-  -- data declarations being updated (e.g. it drops newer versions of data declarations for older ones
-  -- for unknown reasons). First, compile down to an HValue.
-  let pipeExpr = printf "let %s = %s" (var "pipe_var_") readVariable
-  Just (_, hValues, _) <- withSession $ liftIO . flip hscStmt pipeExpr
-  -- Then convert the HValue into an executable bit, and read the value.
-  pipe <- liftIO $ do
-            fds <- unsafeCoerce hValues
-            fd <- case fds of
-              fd : _ -> return fd
-              []     -> fail "Failed to evaluate pipes"
-              _      -> fail $ "Expected one fd, saw "++show (length fds)
-            handle <- fdToHandle fd
-            hSetEncoding handle utf8
-            return handle
-#endif
+
   -- Keep track of whether execution has completed.
   completed <- liftIO $ newMVar False
   finishedReading <- liftIO newEmptyMVar

src/IHaskell/Eval/Util.hs

@@ -91,11 +91,7 @@ extensionFlag ext =
 
     -- Check if a FlagSpec matches "No<ExtensionName>". In that case, we disable the extension.
     flagMatchesNo ext fs = ext == "No" ++ flagSpecName fs
-#if !MIN_VERSION_ghc(7,10,0)
-flagSpecName (name, _, _) = name
 
-flagSpecFlag (_, flag, _) = flag
-#endif
 -- | Pretty-print dynamic flags (taken from 'InteractiveUI' module of `ghc-bin`)
 pprDynFlags :: Bool       -- ^ Whether to include flags which are on by default
             -> DynFlags
@@ -111,17 +107,10 @@ pprDynFlags show_all dflags =
     ]
   where
 
-#if MIN_VERSION_ghc(8,0,0)
     warningFlags = DynFlags.wWarningFlags
-#else
-    warningFlags = DynFlags.fWarningFlags
-#endif
 
-#if MIN_VERSION_ghc(7,8,0)
     opt = gopt
-#else
-    opt = dopt
-#endif
+
     setting test flag
       | quiet = O.empty :: O.SDoc
       | is_on = fstr name :: O.SDoc
@@ -131,7 +120,7 @@ pprDynFlags show_all dflags =
         f = flagSpecFlag flag
         is_on = test f dflags
         quiet = not show_all && test f default_dflags == is_on
-    
+
 #if MIN_VERSION_ghc(8,6,0)
     default_dflags = defaultDynFlags (settings dflags) (llvmTargets dflags, llvmPasses dflags)
 #elif MIN_VERSION_ghc(8,4,0)
@@ -139,22 +128,19 @@ pprDynFlags show_all dflags =
 #else
     default_dflags = defaultDynFlags (settings dflags)
 #endif
-    
+
     fstr, fnostr :: String -> O.SDoc
     fstr str = O.text "-f" O.<> O.text str
-    
+
     fnostr str = O.text "-fno-" O.<> O.text str
-    
+
     (ghciFlags, others) = partition (\f -> flagSpecFlag f `elem` flgs) DynFlags.fFlags
-    
+
     flgs = concat [flgs1, flgs2, flgs3]
-    
+
     flgs1 = [Opt_PrintExplicitForalls]
-#if MIN_VERSION_ghc(7,8,0)
     flgs2 = [Opt_PrintExplicitKinds]
-#else
-    flgs2 = []
-#endif
+
 flgs3 = [Opt_PrintBindResult, Opt_BreakOnException, Opt_BreakOnError, Opt_PrintEvldWithShow]
 
 -- | Pretty-print the base language and active options (taken from `InteractiveUI` module of
@@ -386,7 +372,7 @@ evalDeclarations decl = do
 
 cleanUpDuplicateInstances :: GhcMonad m => m ()
 cleanUpDuplicateInstances = modifySession $ \hscEnv ->
-  let 
+  let
       -- Get all class instances
       ic = hsc_IC hscEnv
       (clsInsts, famInsts) = ic_instances ic
@@ -395,21 +381,11 @@ cleanUpDuplicateInstances = modifySession $ \hscEnv ->
   in hscEnv { hsc_IC = ic { ic_instances = (clsInsts', famInsts) } }
   where
     instEq :: ClsInst -> ClsInst -> Bool
-#if MIN_VERSION_ghc(8,0,0)
     -- Only support replacing instances on GHC 7.8 and up
     instEq c1 c2
       | ClsInst { is_tvs = tpl_tvs, is_tys = tpl_tys, is_cls = cls } <- c1,
         ClsInst { is_tys = tpl_tys', is_cls = cls' } <- c2
       = cls == cls' && isJust (tcMatchTys tpl_tys tpl_tys')
-#elif MIN_VERSION_ghc(7,8,0)
-    instEq c1 c2
-      | ClsInst { is_tvs = tpl_tvs, is_tys = tpl_tys, is_cls = cls } <- c1,
-        ClsInst { is_tys = tpl_tys', is_cls = cls' } <- c2
-      = let tpl_tv_set = mkVarSet tpl_tvs
-        in cls == cls' && isJust (tcMatchTys tpl_tv_set tpl_tys tpl_tys')
-#else
-    instEq _ _ = False
-#endif
 
 
 -- | Get the type of an expression and convert it to a string.
@@ -450,18 +426,12 @@ getDescription str = do
 
   where
 
-#if MIN_VERSION_ghc(7,8,0)
     getInfo' = getInfo False
-#else
-    getInfo' = getInfo
-#endif
 
 #if MIN_VERSION_ghc(8,4,0)
     getType (theType, _, _, _, _) = theType
-#elif MIN_VERSION_ghc(7,8,0)
-    getType (theType, _, _, _) = theType
 #else
-    getType (theType, _, _) = theType
+    getType (theType, _, _, _) = theType
 #endif
 
 #if MIN_VERSION_ghc(8,4,0)
@@ -470,16 +440,12 @@ getDescription str = do
       showFixity thing fixity O.$$
       O.vcat (map GHC.pprInstance classInstances) O.$$
       O.vcat (map GHC.pprFamInst famInstances)
-#elif MIN_VERSION_ghc(7,8,0)
+#else
     printInfo (thing, fixity, classInstances, famInstances) =
       pprTyThingInContextLoc thing O.$$
       showFixity thing fixity O.$$
       O.vcat (map GHC.pprInstance classInstances) O.$$
       O.vcat (map GHC.pprFamInst famInstances)
-#else
-    printInfo (thing, fixity, classInstances) =
-      pprTyThingInContextLoc False thing O.$$ showFixity thing fixity O.$$
-      O.vcat (map GHC.pprInstance classInstances)
 #endif
     showFixity thing fixity =
       if fixity == GHC.defaultFixity

src/IHaskellPrelude.hs

@@ -8,12 +8,10 @@ module IHaskellPrelude (
   Data.Typeable.Typeable,
   Data.Typeable.cast,
 
-#if MIN_VERSION_ghc(7,8,0)
   Data.Typeable.Proxy,
 
   GHC.Exts.IsString,
   GHC.Exts.IsList,
-#endif
 
   System.IO.hPutStrLn,
   System.IO.hPutStr,
@@ -54,7 +52,7 @@ module IHaskellPrelude (
   Data.IORef.modifyIORef',
   Data.IORef.newIORef,
 
-  
+
 
   -- Miscellaneous names
   Data.Map.Map,
@@ -80,13 +78,7 @@ import           GHC.Enum               as X
 import           GHC.Num                as X
 import           GHC.Real               as X
 import           GHC.Err                as X hiding (absentErr)
-#if MIN_VERSION_ghc(8,0,0)
 import           GHC.Base               as X hiding (Any, mapM, foldr, sequence, many, (<|>), Module(..))
-#elif MIN_VERSION_ghc(7,10,0)
-import           GHC.Base               as X hiding (Any, mapM, foldr, sequence, many, (<|>))
-#else
-import           GHC.Base               as X hiding (Any)
-#endif
 import           Data.List              as X hiding (head, last, tail, init, transpose, subsequences, permutations,
                                         foldl, foldl1, maximum, minimum, scanl, scanl1, scanr, scanr1,
                                         span, break, mapAccumL, mapAccumR, dropWhileEnd, (!!),

src/tests/IHaskell/Test/Eval.hs

@@ -89,14 +89,7 @@ pages string expected = evaluationComparing comparison string
             Nothing  -> dropScriptTag $ tail str
 
     fixQuotes :: String -> String
-#if MIN_VERSION_ghc(7, 8, 0)
     fixQuotes = id
-#else
-    fixQuotes = map $ \char -> case char of
-      '\8216' -> '`'
-      '\8217' -> '\''
-      c       -> c
-#endif
 
 
 testEval :: Spec

src/tests/IHaskell/Test/Parser.hs

 {-# LANGUAGE QuasiQuotes #-}
 {-# LANGUAGE CPP #-}
-module IHaskell.Test.Parser (testParser) where 
+module IHaskell.Test.Parser (testParser) where
 
 import           Prelude
 
@@ -234,10 +234,4 @@ testParseString = describe "Parser" $ do
        |]) >>= (`shouldBe` [Located 2 (Expression "first"), Located 4 (Expression "second")])
   where
     dataKindsError = ParseError (Loc 1 10) msg
-#if MIN_VERSION_ghc(7, 10, 0)
     msg = "Cannot parse data constructor in a data/newtype declaration: 3"
-#elif MIN_VERSION_ghc(7, 8, 0)
-    msg = "Illegal literal in type (use DataKinds to enable): 3"
-#else
-    msg = "Illegal literal in type (use -XDataKinds to enable): 3"
-#endif